kyle
/
sandbox
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add a note.

This commit is contained in:
Kyle Isom 2019-04-25 19:57:56 -07:00
parent 26dcb6035a
commit 2796f1b209
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
pe/chapter7.erl
View File

@ -38,6 +38,8 @@ test() ->
<<246, 54, 54, 166, 22>> = reverse_bits(<<"hello">>). <<246, 54, 54, 166, 22>> = reverse_bits(<<"hello">>).
%% 5. Write a function to reverse the bits in a binary. %% 5. Write a function to reverse the bits in a binary.
%% This feels pretty inelegant.
reverse_byte(<<A:1, B:1, C:1, D:1, E:1, F:1, G:1, H:1>>) -> reverse_byte(<<A:1, B:1, C:1, D:1, E:1, F:1, G:1, H:1>>) ->
<<H:1,G:1,F:1,E:1,D:1,C:1,B:1,A:1>>; <<H:1,G:1,F:1,E:1,D:1,C:1,B:1,A:1>>;
reverse_byte(<<>>) -> <<>>. reverse_byte(<<>>) -> <<>>.